14. You are the manager of a project to improve a billing process at your firm. Table 7.7 contains the data you will need to conduct a cost analysis of the project. Indirect costs are $1,600 per week, and penalty costs are $1,200 per week after week 12.a. What is the minimum-cost schedule for this project?b. What is the difference in total project costs between the earliest completion time of the project using “normal” times and the minimum-cost schedule you derived in part (a)?